This snippet, based on the synopsis in the docs, runs ok. Add a doctype declaration and it dies. 
#!/usr/bin/perl
use strict;
use warnings;

use HTML::Tidy;

my $contents = do{local $/; <DATA>};

my $tidy = HTML::Tidy->new(
  {config_file => q{c:/perm/tidy/cnf/tidy.cnf}}
) or die qq{new failed: $!\n};
  
$tidy->ignore(type => TIDY_WARNING);
$tidy->parse(q{foo.html}, $contents)
  or die qq{cant parse};;

for my $message ( $tidy->messages ) {
    print $message->as_string;
}

my $clean = $tidy->clean($contents)
 or die qq{cant clean};
print $clean;

__DATA__
<html>
  <head>
    <title>title</title>
  </head>
  <body>
    <p>body</p>
  </body>
</html>

[download]
add a doctype 
__DATA__
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
  "http://www.w3.org/TR/html4/strict.dtd">

<html>
  <head>
    <title>title</title>
  </head>
  <body>
    <p>body</p>
  </body>
</html>

[download]
produces 
cant parse at C:\perm\tidy\html_tidy_02.pl line 14, <DATA> line 1.

[download]
Anyone experienced this? Have I made a mistake? Is there a work around?

In reply to HTML::Tidy crashes with doctype declaration by wfsp

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


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